To find the final cost of the sales tax you need to:calculate the tax
As the sales tax is 9.75% you calculate the 9.75% of $200.00
[tex]200.00\cdot\frac{9.75}{100}=19.5[/tex]Then, the sales tax of a item that cost $200.00 is $19.5. You pay $19.5 in tax for a item that cost $200.00